Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Gibbous 100%

19:56

06:29

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:21, Set: 20:09, Transit: 13:14. Moon - Rise: 19:56, Set: 06:29. Civil Dark: 20:44 - 05:46. Nautical Dark: 21:28 - 05:02. Astro Dark: 22:17 - 04:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
69
75
100
97
100
91
81
81
73
47
65
31
45
73
46
54
76

Low Clouds (% Sky Obscured)

61
79
91
83
37
7
36
44
22
46
46
43
54
70
51
38
43
35
31
45
59
46
46
51

Medium Clouds (% Sky Obscured)

93
97
97
71
65
5
10
10
11
71
26
100
91
81
64
10
10
12
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
69
75
100
86
100
25
25
31
25
7
55
8
9
25
2
11
30

ISS Passover

Visibility (miles)

3
8
9
9
9
9
9
7
7
7
9
9
9
5
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0

Precipitation Type

Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

62
91
92
90
72
49
43
44
66
63
46
66
42
30
28
24
10
1
2
2
3
4
6
4

Precipitation Amount (mm)

0.3
0.6
0.6
0.3
0
0
0
0
0.4
0.4
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
6
8
4
6
8
10
10
11
11
9
7
7
6
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

17
18
19
20
20
21
22
22
22
22
21
20
20
19
18
18
17
16
16
16
16
16
16
16

Feels Like (°C)

18
18
20
21
21
20
20
20
20
19
19
19
20
19
17
17
16
15
17
16
16
15
15
16

Dew Point (°C)

17
17
18
19
16
13
10
7
6
8
9
10
16
17
17
17
16
16
16
15
15
15
15
15

Relative Humidity (%)

95
93
93
91
75
59
45
37
35
41
46
55
80
84
90
93
93
96
96
95
95
96
96
95

Pressure (mb)

1007
1007
1007
1008
1008
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

325
326
327
329
331
333
337
340
341
340
340
339
337
339
341
342
344
345
344
342
341
341
340
339

Friday 28

Full Moon 99%

20:09

No Set

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:22, Set: 20:07, Transit: 13:14. Moon - Rise: 20:09, Set: No Set. Civil Dark: 20:42 - 05:47. Nautical Dark: 21:25 - 05:04. Astro Dark: 22:14 - 04:17

Total Clouds (% Sky Obscured)

78
100
100
100
100
100
100
100
89
96
54
30
26
29
35
29
36
31
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
41
42
42
48
42
54
77
60
68
30
26
26
29
35
29
26
21
45
33
27
37
50
80

Medium Clouds (% Sky Obscured)

4
100
100
100
100
100
100
98
68
4
3
3
0
0
4
4
1
0
0
7
99
99
100
100

High Clouds (% Sky Obscured)

52
100
100
100
72
100
89
12
17
20
0
0
0
0
1
1
15
15
100
100
100
100
100
75

ISS Passover

Visibility (miles)

9
9
9
9
2
3
6
4
8
8
5
9
9
9
9
9
9
9
9
9
9
9
6
4

Fog (%)

0
0
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0

Precipitation Type

None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

7
22
55
95
95
95
95
95
64
46
32
19
4
5
6
7
9
4
2
4
8
32
78
95

Precipitation Amount (mm)

0
0
0
0.9
1.6
1.4
0.8
0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6

Wind Speed/Direction (mph)

7
10
13
14
15
16
14
17
17
14
13
11
11
10
9
9
9
10
8
7
8
10
10
13

Chance of Frost

Temperature (°C)

16
16
18
18
18
17
18
18
18
18
20
20
19
18
17
17
16
16
16
16
16
16
16
16

Feels Like (°C)

14
14
15
16
15
14
15
14
14
15
18
19
19
18
18
18
16
14
15
15
14
14
14
13

Dew Point (°C)

15
15
16
15
13
14
16
16
17
18
19
19
18
17
17
16
16
15
15
15
15
15
15
15

Relative Humidity (%)

96
93
90
81
71
78
90
92
95
95
96
93
91
95
96
96
96
92
92
95
98
93
96
95

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1007
1007
1007
1006
1005
1004

Ozone (du)

338
337
335
333
330
330
331
329
326
324
324
324
322
317
313
310
308
306
303
301
299
296
300
303

Saturday 29

Waning Gibbous 96%

20:20

07:46

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:24, Set: 20:05, Transit: 13:14. Moon - Rise: 20:20, Set: 07:46. Civil Dark: 20:40 - 05:49. Nautical Dark: 21:23 - 05:06. Astro Dark: 22:11 - 04:19

Total Clouds (% Sky Obscured)

100
100
72
80
91
100
100
100
87
81
45
46
30
52
51
40
60
92
95
82
93
89
80
72

Low Clouds (% Sky Obscured)

88
90
62
45
63
57
88
85
77
77
45
46
30
34
42
40
40
40
36
32
29
37
42
43

Medium Clouds (% Sky Obscured)

93
0
72
80
91
100
42
24
20
4
1
0
0
0
0
0
0
3
2
2
1
3
31
47

High Clouds (% Sky Obscured)

76
76
30
35
45
80
0
0
2
81
0
0
0
1
6
5
39
85
72
72
88
82
70
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
74
64
60
95
95
95
95
70
31
11
15
28
20
18
16
16
18
21
17
5
14
4
16

Precipitation Amount (mm)

2
0
0.2
0.2
0.9
1.1
3.6
1.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
16
17
20
22
23
23
23
24
22
19
18
15
14
12
10
10
10
9
7
6
7

Chance of Frost

Temperature (°C)

17
16
17
19
20
20
18
18
19
20
18
18
18
17
16
16
15
16
15
15
15
15
15
15

Feels Like (°C)

14
14
15
17
17
16
13
13
15
16
13
14
14
13
12
12
12
14
13
12
13
14
14
14

Dew Point (°C)

16
16
17
18
17
17
14
16
17
16
13
13
15
15
14
13
12
14
13
12
13
15
15
14

Relative Humidity (%)

95
98
98
89
82
80
79
88
88
81
72
74
85
86
86
83
80
90
85
80
87
96
96
93

Pressure (mb)

1004
1004
1003
1003
1002
1001
1001
1000
999
1000
1001
1002
1003
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

309
312
309
308
309
312
311
310
309
311
314
313
313
314
313
311
310
310
310
310
310
310
310
311

Sunday 30

Waning Gibbous 91%

20:33

09:03

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:25, Set: 20:03, Transit: 13:13. Moon - Rise: 20:33, Set: 09:03. Civil Dark: 20:38 - 05:51. Nautical Dark: 21:20 - 05:08. Astro Dark: 22:08 - 04:21

Total Clouds (% Sky Obscured)

75
77
76
81
85
62
70
83
81
88
94
100
88
76
61
61
61
33
70
77
45
46
58
52

Low Clouds (% Sky Obscured)

36
32
27
23
29
26
45
71
32
32
31
31
34
49
52
52
42
33
43
43
45
44
47
42

Medium Clouds (% Sky Obscured)

66
76
76
81
44
8
8
12
7
88
13
13
11
76
61
61
61
5
1
2
0
0
0
0

High Clouds (% Sky Obscured)

50
49
44
40
37
13
9
15
46
64
84
100
83
70
50
40
50
3
49
50
0
0
0
3

ISS Passover

Visibility (miles)

9
9
9
9
6
9
9
3
3
7
9
4
4
9
9
1
9
7
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

4
7
17
33
55
48
67
86
95
95
95
95
84
95
95
95
67
58
30
33
20
14
16
14

Precipitation Amount (mm)

0
0
0
0
0.3
0
0.3
0.8
1.2
0.7
0.7
0.6
0.4
0.6
5.2
1.9
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
9
10
11
12
14
14
15
16
16
17
16
13
11
9
9
9
10
10
10
12
12
9

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
21
21
21
21
20
19
18
17
17
16
16
15
15
15
15
15
14
14

Feels Like (°C)

14
14
15
16
17
17
18
18
18
18
17
16
16
16
15
16
15
15
16
13
14
13
14
15

Dew Point (°C)

13
13
13
13
12
8
10
15
14
15
13
12
12
13
15
15
15
15
15
14
14
14
14
14

Relative Humidity (%)

89
85
78
70
62
47
48
71
65
68
64
62
65
74
87
93
93
95
96
96
96
95
95
95

Pressure (mb)

1009
1009
1009
1010
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1008

Ozone (du)

311
312
312
313
315
316
319
324
327
326
327
325
323
326
329
328
332
331
329
327
327
328
326
325

Monday 31

Waning Gibbous 83%

20:47

10:23

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:27, Set: 20:01, Transit: 13:13. Moon - Rise: 20:47, Set: 10:23. Civil Dark: 20:35 - 05:52. Nautical Dark: 21:18 - 05:10. Astro Dark: 22:05 - 04:24

Total Clouds (% Sky Obscured)

56
59
68
66
80
70
80
89
78
78
89
65
74
84
95
95
96
97
95
94
94
91
88
84

Low Clouds (% Sky Obscured)

39
36
37
37
30
29
22
15
13
18
15
21
24
18
14
31
51
71
68
76
78
73
72
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
81
5
0
5
5
34
59
84
89
94
97
95
94
94
84
76
66

High Clouds (% Sky Obscured)

16
27
43
33
67
50
56
72
78
58
44
5
38
39
40
55
70
86
84
82
73
49
26
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

15
19
16
11
15
20
25
14
10
11
12
9
18
22
17
20
20
8
28
40
50
45
38
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

9
9
12
13
13
14
14
14
14
15
15
15
13
10
9
7
7
7
7
7
8
8
8
7

Chance of Frost

Temperature (°C)

14
15
16
17
18
18
19
19
19
19
19
18
17
16
15
14
14
14
13
14
14
14
14
14

Feels Like (°C)

15
16
17
16
17
16
17
17
17
17
16
15
15
15
14
14
13
13
12
11
11
11
12
12

Dew Point (°C)

14
14
14
12
11
10
11
12
12
11
11
11
12
11
11
10
10
10
10
11
11
11
12
12

Relative Humidity (%)

96
93
87
75
63
57
59
61
61
58
59
63
72
74
74
76
78
79
80
83
84
86
87
90

Pressure (mb)

1009
1009
1010
1011
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

324
321
319
318
317
316
316
317
316
316
315
315
313
314
315
317
318
319
321
322
323
324
324
324

Tuesday 1

Waning Gibbous 74%

21:04

11:46

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:28, Set: 19:58, Transit: 13:13. Moon - Rise: 21:04, Set: 11:46. Civil Dark: 20:33 - 05:54. Nautical Dark: 21:15 - 05:12. Astro Dark: 22:02 - 04:26

Total Clouds (% Sky Obscured)

69
54
38
35
32
36
41
44
50
58
67
75
79
83
88
92
96
100
87
79
73
74
70
66

Low Clouds (% Sky Obscured)

55
39
24
21
19
18
23
23
26
28
28
22
17
14
10
10
7
8
9
13
18
21
22
18

Medium Clouds (% Sky Obscured)

46
26
6
6
6
6
5
4
6
5
4
3
5
7
5
24
45
65
53
39
30
30
18
8

High Clouds (% Sky Obscured)

8
15
13
5
5
7
7
8
8
26
44
62
68
72
78
85
93
100
82
77
71
52
28
2

ISS Passover

Visibility (miles)

9
9
9
9
8
6
4
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

32
31
21
31
39
44
52
60
63
51
44
29
18
18
21
32
40
44
61
67
77
77
76
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.4
0.4
0.2

Wind Speed/Direction (mph)

6
9
11
14
14
15
16
16
16
17
16
15
14
12
10
8
8
8
8
9
9
9
8
7

Chance of Frost

Temperature (°C)

14
15
17
18
19
20
21
20
20
20
19
18
18
17
16
15
15
15
15
14
14
14
13
13

Feels Like (°C)

12
12
13
14
14
15
15
19
19
18
17
17
17
15
16
15
15
14
14
13
14
14
14
14

Dew Point (°C)

12
12
12
13
12
12
12
12
13
14
13
13
13
13
13
13
13
13
13
13
12
12
12
12

Relative Humidity (%)

92
82
75
69
63
60
56
60
64
67
69
70
72
78
85
92
90
89
89
90
89
87
89
89

Pressure (mb)

1015
1015
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016

Ozone (du)

325
325
325
325
325
325
324
326
328
330
331
331
331
332
333
333
333
334
334
330
327
324
320
317

Wednesday 2

Waning Gibbous 63%

21:27

13:12

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:30, Set: 19:56, Transit: 13:12. Moon - Rise: 21:27, Set: 13:12. Civil Dark: 20:31 - 05:56. Nautical Dark: 21:13 - 05:14. Astro Dark: 21:59 - 04:28

Total Clouds (% Sky Obscured)

66
66
67
67
68
68
71
77
86
82
78
75
83
91
99
91
84
77

Low Clouds (% Sky Obscured)

17
15
11
8
8
8
7
6
7
7
5
5
17
31
47
32
17
0

Medium Clouds (% Sky Obscured)

3
2
0
7
15
22
18
14
11
16
22
28
42
57
72
58
44
30

High Clouds (% Sky Obscured)

8
13
14
15
15
16
9
8
10
26
38
49
62
77
92
63
33
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
37
13
6
7
0
0
2
0
0
3
5
2
5
1
2
2
1

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
8
9
9
10
10
11
11
12
12
11
11
10
9
8
8
8

Chance of Frost

Temperature (°C)

13
15
17
18
19
20
20
21
21
22
20
20
19
18
17
15
15
15

Feels Like (°C)

14
14
14
14
14
15
15
19
18
17
18
18
19
17
17
17
16
16

Dew Point (°C)

12
11
11
11
9
8
6
6
6
6
8
10
13
13
14
15
14
14

Relative Humidity (%)

89
78
68
60
52
46
40
38
36
35
43
54
68
76
85
95
95
96

Pressure (mb)

1016
1016
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1019

Ozone (du)

313
311
309
307
305
304
302
301
299
298
297
296
296
296
296
296
296
295

Forecast for Watchet, Somerset, United Kingdom (51.18,-3.33)

Generated: 27/08/26 07:12:07. Forecast: 27/08/26 to 02/09/26. Timezone: UTC+1.00